A few times this summer, when millions of air conditioners strain the Toronto region's power grid, that pencil-tip-sized amber dot will blink. It will be asking Tsapoitis to turn the switch off — unless he's already programmed his house to make that move for him.
This is the beginning of a new way of thinking about electricity, and the biggest change in how we get power since wires began veining the landscape a century ago.
Full Story: http://www.usatoday.com/money/industries/energy/2008-05-03-future-electricity_N.htm